| /* |
| * Copyright (C)2009-2011 D. R. Commander. All Rights Reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * - Neither the name of the libjpeg-turbo Project nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS", |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <math.h> |
| #include <errno.h> |
| #include <cdjpeg.h> |
| #include "./bmp.h" |
| #include "./tjutil.h" |
| #include "./turbojpeg.h" |
| |
| |
| #define _throw(op, err) { \ |
| printf("ERROR in line %d while %s:\n%s\n", __LINE__, op, err); \ |
| retval=-1; goto bailout;} |
| #define _throwunix(m) _throw(m, strerror(errno)) |
| #define _throwtj(m) _throw(m, tjGetErrorStr()) |
| #define _throwbmp(m) _throw(m, bmpgeterr()) |
| |
| enum {YUVENCODE=1, YUVDECODE}; |
| int flags=TJFLAG_NOREALLOC, decomponly=0, yuv=0, quiet=0, dotile=0, |
| pf=TJPF_BGR; |
| char *ext="ppm"; |
| const char *pixFormatStr[TJ_NUMPF]= |
| { |
| "RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY" |
| }; |
| const char *subNameLong[TJ_NUMSAMP]= |
| { |
| "4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0" |
| }; |
| const char *subName[NUMSUBOPT]={"444", "422", "420", "GRAY", "440"}; |
| tjscalingfactor *scalingfactors=NULL, sf={1, 1}; int nsf=0; |
| int xformop=TJXOP_NONE, xformopt=0; |
| int (*customFilter)(short *, tjregion, tjregion, int, int, tjtransform *); |
| double benchtime=5.0; |
| |
| |
| char *sigfig(double val, int figs, char *buf, int len) |
| { |
| char format[80]; |
| int digitsafterdecimal=figs-(int)ceil(log10(fabs(val))); |
| if(digitsafterdecimal<1) snprintf(format, 80, "%%.0f"); |
| else snprintf(format, 80, "%%.%df", digitsafterdecimal); |
| snprintf(buf, len, format, val); |
| return buf; |
| } |
| |
| |
| /* Custom DCT filter which produces a negative of the image */ |
| int dummyDCTFilter(short *coeffs, tjregion arrayRegion, tjregion planeRegion, |
| int componentIndex, int transformIndex, tjtransform *transform) |
| { |
| int i; |
| for(i=0; i<arrayRegion.w*arrayRegion.h; i++) coeffs[i]=-coeffs[i]; |
| return 0; |
| } |
| |
| |
| /* Decompression test */ |
| int decomptest(unsigned char *srcbuf, unsigned char **jpegbuf, |
| unsigned long *jpegsize, unsigned char *dstbuf, int w, int h, |
| int subsamp, int jpegqual, char *filename, int tilew, int tileh) |
| { |
| char tempstr[1024], sizestr[20]="\0", qualstr[6]="\0", *ptr; |
| FILE *file=NULL; tjhandle handle=NULL; |
| int row, col, i, dstbufalloc=0, retval=0; |
| double start, elapsed; |
| int ps=tjPixelSize[pf]; |
| int yuvsize=tjBufSizeYUV(w, h, subsamp), bufsize; |
| int scaledw=(yuv==YUVDECODE)? w : TJSCALED(w, sf); |
| int scaledh=(yuv==YUVDECODE)? h : TJSCALED(h, sf); |
| int pitch=scaledw*ps; |
| int ntilesw=(w+tilew-1)/tilew, ntilesh=(h+tileh-1)/tileh; |
| unsigned char *dstptr, *dstptr2; |
| |
| if(jpegqual>0) |
| { |
| snprintf(qualstr, 6, "_Q%d", jpegqual); |
| qualstr[5]=0; |
| } |
| |
| if((handle=tjInitDecompress())==NULL) |
| _throwtj("executing tjInitDecompress()"); |
| |
| bufsize=(yuv==YUVDECODE? yuvsize:pitch*h); |
| if(dstbuf==NULL) |
| { |
| if((dstbuf=(unsigned char *)malloc(bufsize)) == NULL) |
| _throwunix("allocating image buffer"); |
| dstbufalloc=1; |
| } |
| /* Set the destination buffer to gray so we know whether the decompressor |
| attempted to write to it */ |
| memset(dstbuf, 127, bufsize); |
| |
| /* Execute once to preload cache */ |
| if(yuv==YUVDECODE) |
| { |
| if(tjDecompressToYUV(handle, jpegbuf[0], jpegsize[0], dstbuf, flags)==-1) |
| _throwtj("executing tjDecompressToYUV()"); |
| } |
| else if(tjDecompress2(handle, jpegbuf[0], jpegsize[0], dstbuf, scaledw, |
| pitch, scaledh, pf, flags)==-1) |
| _throwtj("executing tjDecompress2()"); |
| |
| /* Benchmark */ |
| for(i=0, start=gettime(); (elapsed=gettime()-start)<benchtime; i++) |
| { |
| int tile=0; |
| if(yuv==YUVDECODE) |
| { |
| if(tjDecompressToYUV(handle, jpegbuf[0], jpegsize[0], dstbuf, flags)==-1) |
| _throwtj("executing tjDecompressToYUV()"); |
| } |
| else for(row=0, dstptr=dstbuf; row<ntilesh; row++, dstptr+=pitch*tileh) |
| { |
| for(col=0, dstptr2=dstptr; col<ntilesw; col++, tile++, dstptr2+=ps*tilew) |
| { |
| int width=dotile? min(tilew, w-col*tilew):scaledw; |
| int height=dotile? min(tileh, h-row*tileh):scaledh; |
| if(tjDecompress2(handle, jpegbuf[tile], jpegsize[tile], dstptr2, width, |
| pitch, height, pf, flags)==-1) |
| _throwtj("executing tjDecompress2()"); |
| } |
| } |
| } |
| |
| if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()"); |
| handle=NULL; |
| |
| if(quiet) |
| { |
| printf("%s\n", |
| sigfig((double)(w*h)/1000000.*(double)i/elapsed, 4, tempstr, 1024)); |
| } |
| else |
| { |
| printf("D--> Frame rate: %f fps\n", (double)i/elapsed); |
| printf(" Dest. throughput: %f Megapixels/sec\n", |
| (double)(w*h)/1000000.*(double)i/elapsed); |
| } |
| if(yuv==YUVDECODE) |
| { |
| snprintf(tempstr, 1024, "%s_%s%s.yuv", filename, subName[subsamp], |
| qualstr); |
| if((file=fopen(tempstr, "wb"))==NULL) |
| _throwunix("opening YUV image for output"); |
| if(fwrite(dstbuf, yuvsize, 1, file)!=1) |
| _throwunix("writing YUV image"); |
| fclose(file); file=NULL; |
| } |
| else |
| { |
| if(sf.num!=1 || sf.denom!=1) |
| snprintf(sizestr, 20, "%d_%d", sf.num, sf.denom); |
| else if(tilew!=w || tileh!=h) |
| snprintf(sizestr, 20, "%dx%d", tilew, tileh); |
| else snprintf(sizestr, 20, "full"); |
| if(decomponly) |
| snprintf(tempstr, 1024, "%s_%s.%s", filename, sizestr, ext); |
| else |
| snprintf(tempstr, 1024, "%s_%s%s_%s.%s", filename, subName[subsamp], |
| qualstr, sizestr, ext); |
| if(savebmp(tempstr, dstbuf, scaledw, scaledh, pf, |
| (flags&TJFLAG_BOTTOMUP)!=0)==-1) |
| _throwbmp("saving bitmap"); |
| ptr=strrchr(tempstr, '.'); |
| snprintf(ptr, 1024-(ptr-tempstr), "-err.%s", ext); |
| if(srcbuf && sf.num==1 && sf.denom==1) |
| { |
| if(!quiet) printf("Compression error written to %s.\n", tempstr); |
| if(subsamp==TJ_GRAYSCALE) |
| { |
| int index, index2; |
| for(row=0, index=0; row<h; row++, index+=pitch) |
| { |
| for(col=0, index2=index; col<w; col++, index2+=ps) |
| { |
| int rindex=index2+tjRedOffset[pf]; |
| int gindex=index2+tjGreenOffset[pf]; |
| int bindex=index2+tjBlueOffset[pf]; |
| int y=(int)((double)srcbuf[rindex]*0.299 |
| + (double)srcbuf[gindex]*0.587 |
| + (double)srcbuf[bindex]*0.114 + 0.5); |
| if(y>255) y=255; if(y<0) y=0; |
| dstbuf[rindex]=abs(dstbuf[rindex]-y); |
| dstbuf[gindex]=abs(dstbuf[gindex]-y); |
| dstbuf[bindex]=abs(dstbuf[bindex]-y); |
| } |
| } |
| } |
| else |
| { |
| for(row=0; row<h; row++) |
| for(col=0; col<w*ps; col++) |
| dstbuf[pitch*row+col] |
| =abs(dstbuf[pitch*row+col]-srcbuf[pitch*row+col]); |
| } |
| if(savebmp(tempstr, dstbuf, w, h, pf, |
| (flags&TJFLAG_BOTTOMUP)!=0)==-1) |
| _throwbmp("saving bitmap"); |
| } |
| } |
| |
| bailout: |
| if(file) {fclose(file); file=NULL;} |
| if(handle) {tjDestroy(handle); handle=NULL;} |
| if(dstbuf && dstbufalloc) {free(dstbuf); dstbuf=NULL;} |
| return retval; |
| } |
| |
| |
| void dotestyuv(unsigned char *srcbuf, int w, int h, int subsamp, |
| char *filename) |
| { |
| char tempstr[1024], tempstr2[80]; |
| FILE *file=NULL; tjhandle handle=NULL; |
| unsigned char *dstbuf=NULL; |
| double start, elapsed; |
| int i, retval=0, ps=tjPixelSize[pf]; |
| int yuvsize=0; |
| |
| yuvsize=tjBufSizeYUV(w, h, subsamp); |
| if((dstbuf=(unsigned char *)malloc(yuvsize)) == NULL) |
| _throwunix("allocating image buffer"); |
| |
| if(!quiet) |
| printf(">>>>> %s (%s) <--> YUV %s <<<<<\n", pixFormatStr[pf], |
| (flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down", subNameLong[subsamp]); |
| |
| if(quiet==1) |
| printf("%s\t%s\t%s\tN/A\t", pixFormatStr[pf], |
| (flags&TJFLAG_BOTTOMUP)? "BU":"TD", subNameLong[subsamp]); |
| |
| if((handle=tjInitCompress())==NULL) |
| _throwtj("executing tjInitCompress()"); |
| |
| /* Execute once to preload cache */ |
| if(tjEncodeYUV2(handle, srcbuf, w, 0, h, pf, dstbuf, subsamp, flags)==-1) |
| _throwtj("executing tjEncodeYUV2()"); |
| |
| /* Benchmark */ |
| for(i=0, start=gettime(); (elapsed=gettime()-start)<benchtime; i++) |
| { |
| if(tjEncodeYUV2(handle, srcbuf, w, 0, h, pf, dstbuf, subsamp, flags)==-1) |
| _throwtj("executing tjEncodeYUV2()"); |
| } |
| |
| if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()"); |
| handle=NULL; |
| |
| if(quiet==1) printf("%-4d %-4d\t", w, h); |
| if(quiet) |
| { |
| printf("%s%c%s%c", |
| sigfig((double)(w*h)/1000000.*(double)i/elapsed, 4, tempstr, 1024), |
| quiet==2? '\n':'\t', |
| sigfig((double)(w*h*ps)/(double)yuvsize, 4, tempstr2, 80), |
| quiet==2? '\n':'\t'); |
| } |
| else |
| { |
| printf("\n%s size: %d x %d\n", "Image", w, h); |
| printf("C--> Frame rate: %f fps\n", (double)i/elapsed); |
| printf(" Output image size: %d bytes\n", yuvsize); |
| printf(" Compression ratio: %f:1\n", |
| (double)(w*h*ps)/(double)yuvsize); |
| printf(" Source throughput: %f Megapixels/sec\n", |
| (double)(w*h)/1000000.*(double)i/elapsed); |
| printf(" Output bit stream: %f Megabits/sec\n", |
| (double)yuvsize*8./1000000.*(double)i/elapsed); |
| } |
| snprintf(tempstr, 1024, "%s_%s.yuv", filename, subName[subsamp]); |
| if((file=fopen(tempstr, "wb"))==NULL) |
| _throwunix("opening reference image"); |
| if(fwrite(dstbuf, yuvsize, 1, file)!=1) |
| _throwunix("writing reference image"); |
| fclose(file); file=NULL; |
| if(!quiet) printf("Reference image written to %s\n", tempstr); |
| |
| bailout: |
| if(file) {fclose(file); file=NULL;} |
| if(dstbuf) {free(dstbuf); dstbuf=NULL;} |
| if(handle) {tjDestroy(handle); handle=NULL;} |
| return; |
| } |
| |
| |
| void dotest(unsigned char *srcbuf, int w, int h, int subsamp, int jpegqual, |
| char *filename) |
| { |
| char tempstr[1024], tempstr2[80]; |
| FILE *file=NULL; tjhandle handle=NULL; |
| unsigned char **jpegbuf=NULL, *tmpbuf=NULL, *srcptr, *srcptr2; |
| double start, elapsed; |
| int totaljpegsize=0, row, col, i, tilew=w, tileh=h, retval=0; |
| unsigned long *jpegsize=NULL; |
| int ps=tjPixelSize[pf], ntilesw=1, ntilesh=1, pitch=w*ps; |
| |
| if(yuv==YUVENCODE) {dotestyuv(srcbuf, w, h, subsamp, filename); return;} |
| |
| if((tmpbuf=(unsigned char *)malloc(pitch*h)) == NULL) |
| _throwunix("allocating temporary image buffer"); |
| |
| if(!quiet) |
| printf(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", pixFormatStr[pf], |
| (flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down", subNameLong[subsamp], |
| jpegqual); |
| |
| for(tilew=dotile? 8:w, tileh=dotile? 8:h; ; tilew*=2, tileh*=2) |
| { |
| if(tilew>w) tilew=w; if(tileh>h) tileh=h; |
| ntilesw=(w+tilew-1)/tilew; ntilesh=(h+tileh-1)/tileh; |
| |
| if((jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *) |
| *ntilesw*ntilesh))==NULL) |
| _throwunix("allocating JPEG tile array"); |
| memset(jpegbuf, 0, sizeof(unsigned char *)*ntilesw*ntilesh); |
| if((jpegsize=(unsigned long *)malloc(sizeof(unsigned long) |
| *ntilesw*ntilesh))==NULL) |
| _throwunix("allocating JPEG size array"); |
| memset(jpegsize, 0, sizeof(unsigned long)*ntilesw*ntilesh); |
| |
| if((flags&TJFLAG_NOREALLOC)!=0) |
| for(i=0; i<ntilesw*ntilesh; i++) |
| { |
| if((jpegbuf[i]=(unsigned char *)malloc(tjBufSize(tilew, tileh, |
| subsamp)))==NULL) |
| _throwunix("allocating JPEG tiles"); |
| } |
| |
| /* Compression test */ |
| if(quiet==1) |
| printf("%s\t%s\t%s\t%d\t", pixFormatStr[pf], |
| (flags&TJFLAG_BOTTOMUP)? "BU":"TD", subNameLong[subsamp], jpegqual); |
| for(i=0; i<h; i++) |
| memcpy(&tmpbuf[pitch*i], &srcbuf[w*ps*i], w*ps); |
| if((handle=tjInitCompress())==NULL) |
| _throwtj("executing tjInitCompress()"); |
| |
| /* Execute once to preload cache */ |
| if(tjCompress2(handle, srcbuf, tilew, pitch, tileh, pf, &jpegbuf[0], |
| &jpegsize[0], subsamp, jpegqual, flags)==-1) |
| _throwtj("executing tjCompress2()"); |
| |
| /* Benchmark */ |
| for(i=0, start=gettime(); (elapsed=gettime()-start)<benchtime; i++) |
| { |
| int tile=0; |
| totaljpegsize=0; |
| for(row=0, srcptr=srcbuf; row<ntilesh; row++, srcptr+=pitch*tileh) |
| { |
| for(col=0, srcptr2=srcptr; col<ntilesw; col++, tile++, |
| srcptr2+=ps*tilew) |
| { |
| int width=min(tilew, w-col*tilew); |
| int height=min(tileh, h-row*tileh); |
| if(tjCompress2(handle, srcptr2, width, pitch, height, pf, |
| &jpegbuf[tile], &jpegsize[tile], subsamp, jpegqual, flags)==-1) |
| _throwtj("executing tjCompress()2"); |
| totaljpegsize+=jpegsize[tile]; |
| } |
| } |
| } |
| |
| if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()"); |
| handle=NULL; |
| |
| if(quiet==1) printf("%-4d %-4d\t", tilew, tileh); |
| if(quiet) |
| { |
| printf("%s%c%s%c", |
| sigfig((double)(w*h)/1000000.*(double)i/elapsed, 4, tempstr, 1024), |
| quiet==2? '\n':'\t', |
| sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80), |
| quiet==2? '\n':'\t'); |
| } |
| else |
| { |
| printf("\n%s size: %d x %d\n", dotile? "Tile":"Image", tilew, |
| tileh); |
| printf("C--> Frame rate: %f fps\n", (double)i/elapsed); |
| printf(" Output image size: %d bytes\n", totaljpegsize); |
| printf(" Compression ratio: %f:1\n", |
| (double)(w*h*ps)/(double)totaljpegsize); |
| printf(" Source throughput: %f Megapixels/sec\n", |
| (double)(w*h)/1000000.*(double)i/elapsed); |
| printf(" Output bit stream: %f Megabits/sec\n", |
| (double)totaljpegsize*8./1000000.*(double)i/elapsed); |
| } |
| if(tilew==w && tileh==h) |
| { |
| snprintf(tempstr, 1024, "%s_%s_Q%d.jpg", filename, subName[subsamp], |
| jpegqual); |
| if((file=fopen(tempstr, "wb"))==NULL) |
| _throwunix("opening reference image"); |
| if(fwrite(jpegbuf[0], jpegsize[0], 1, file)!=1) |
| _throwunix("writing reference image"); |
| fclose(file); file=NULL; |
| if(!quiet) printf("Reference image written to %s\n", tempstr); |
| } |
| |
| /* Decompression test */ |
| if(decomptest(srcbuf, jpegbuf, jpegsize, tmpbuf, w, h, subsamp, jpegqual, |
| filename, tilew, tileh)==-1) |
| goto bailout; |
| |
| for(i=0; i<ntilesw*ntilesh; i++) |
| { |
| if(jpegbuf[i]) free(jpegbuf[i]); jpegbuf[i]=NULL; |
| } |
| free(jpegbuf); jpegbuf=NULL; |
| free(jpegsize); jpegsize=NULL; |
| |
| if(tilew==w && tileh==h) break; |
| } |
| |
| bailout: |
| if(file) {fclose(file); file=NULL;} |
| if(jpegbuf) |
| { |
| for(i=0; i<ntilesw*ntilesh; i++) |
| { |
| if(jpegbuf[i]) free(jpegbuf[i]); jpegbuf[i]=NULL; |
| } |
| free(jpegbuf); jpegbuf=NULL; |
| } |
| if(jpegsize) {free(jpegsize); jpegsize=NULL;} |
| if(tmpbuf) {free(tmpbuf); tmpbuf=NULL;} |
| if(handle) {tjDestroy(handle); handle=NULL;} |
| return; |
| } |
| |
| |
| void dodecomptest(char *filename) |
| { |
| FILE *file=NULL; tjhandle handle=NULL; |
| unsigned char **jpegbuf=NULL, *srcbuf=NULL; |
| unsigned long *jpegsize=NULL, srcsize, totaljpegsize; |
| tjtransform *t=NULL; |
| int w=0, h=0, subsamp=-1, _w, _h, _tilew, _tileh, |
| _ntilesw, _ntilesh, _subsamp; |
| char *temp=NULL, tempstr[80], tempstr2[80]; |
| int row, col, i, tilew, tileh, ntilesw, ntilesh, retval=0; |
| double start, elapsed; |
| int ps=tjPixelSize[pf], tile; |
| |
| if((file=fopen(filename, "rb"))==NULL) |
| _throwunix("opening file"); |
| if(fseek(file, 0, SEEK_END)<0 || (srcsize=ftell(file))<0) |
| _throwunix("determining file size"); |
| if((srcbuf=(unsigned char *)malloc(srcsize))==NULL) |
| _throwunix("allocating memory"); |
| if(fseek(file, 0, SEEK_SET)<0) |
| _throwunix("setting file position"); |
| if(fread(srcbuf, srcsize, 1, file)<1) |
| _throwunix("reading JPEG data"); |
| fclose(file); file=NULL; |
| |
| temp=strrchr(filename, '.'); |
| if(temp!=NULL) *temp='\0'; |
| |
| if((handle=tjInitTransform())==NULL) |
| _throwtj("executing tjInitTransform()"); |
| if(tjDecompressHeader2(handle, srcbuf, srcsize, &w, &h, &subsamp)==-1) |
| _throwtj("executing tjDecompressHeader2()"); |
| |
| if(quiet==1) |
| { |
| printf("All performance values in Mpixels/sec\n\n"); |
| printf("Bitmap\tBitmap\tJPEG\t%s %s \tXform\tComp\tDecomp\n", |
| dotile? "Tile ":"Image", dotile? "Tile ":"Image"); |
| printf("Format\tOrder\tSubsamp\tWidth Height\tPerf \tRatio\tPerf\n\n"); |
| } |
| else if(!quiet) |
| { |
| printf(">>>>> JPEG %s --> %s (%s) <<<<<\n", subNameLong[subsamp], |
| pixFormatStr[pf], (flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down"); |
| } |
| |
| for(tilew=dotile? 16:w, tileh=dotile? 16:h; ; tilew*=2, tileh*=2) |
| { |
| if(tilew>w) tilew=w; if(tileh>h) tileh=h; |
| ntilesw=(w+tilew-1)/tilew; ntilesh=(h+tileh-1)/tileh; |
| |
| if((jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *) |
| *ntilesw*ntilesh))==NULL) |
| _throwunix("allocating JPEG tile array"); |
| memset(jpegbuf, 0, sizeof(unsigned char *)*ntilesw*ntilesh); |
| if((jpegsize=(unsigned long *)malloc(sizeof(unsigned long) |
| *ntilesw*ntilesh))==NULL) |
| _throwunix("allocating JPEG size array"); |
| memset(jpegsize, 0, sizeof(unsigned long)*ntilesw*ntilesh); |
| |
| if((flags&TJFLAG_NOREALLOC)!=0) |
| for(i=0; i<ntilesw*ntilesh; i++) |
| { |
| if((jpegbuf[i]=(unsigned char *)malloc(tjBufSize(tilew, tileh, |
| subsamp)))==NULL) |
| _throwunix("allocating JPEG tiles"); |
| } |
| |
| _w=w; _h=h; _tilew=tilew; _tileh=tileh; |
| if(!quiet) |
| { |
| printf("\n%s size: %d x %d", dotile? "Tile":"Image", _tilew, |
| _tileh); |
| if(sf.num!=1 || sf.denom!=1) |
| printf(" --> %d x %d", TJSCALED(_w, sf), TJSCALED(_h, sf)); |
| printf("\n"); |
| } |
| else if(quiet==1) |
| { |
| printf("%s\t%s\t%s\t", pixFormatStr[pf], |
| (flags&TJFLAG_BOTTOMUP)? "BU":"TD", subNameLong[subsamp]); |
| printf("%-4d %-4d\t", tilew, tileh); |
| } |
| |
| _subsamp=subsamp; |
| if(dotile || xformop!=TJXOP_NONE || xformopt!=0 || customFilter) |
| { |
| if((t=(tjtransform *)malloc(sizeof(tjtransform)*ntilesw*ntilesh)) |
| ==NULL) |
| _throwunix("allocating image transform array"); |
| |
| if(xformop==TJXOP_TRANSPOSE || xformop==TJXOP_TRANSVERSE |
| || xformop==TJXOP_ROT90 || xformop==TJXOP_ROT270) |
| { |
| _w=h; _h=w; _tilew=tileh; _tileh=tilew; |
| } |
| |
| if(xformopt&TJXOPT_GRAY) _subsamp=TJ_GRAYSCALE; |
| if(xformop==TJXOP_HFLIP || xformop==TJXOP_ROT180) |
| _w=_w-(_w%tjMCUWidth[_subsamp]); |
| if(xformop==TJXOP_VFLIP || xformop==TJXOP_ROT180) |
| _h=_h-(_h%tjMCUHeight[_subsamp]); |
| if(xformop==TJXOP_TRANSVERSE || xformop==TJXOP_ROT90) |
| _w=_w-(_w%tjMCUHeight[_subsamp]); |
| if(xformop==TJXOP_TRANSVERSE || xformop==TJXOP_ROT270) |
| _h=_h-(_h%tjMCUWidth[_subsamp]); |
| _ntilesw=(_w+_tilew-1)/_tilew; |
| _ntilesh=(_h+_tileh-1)/_tileh; |
| |
| for(row=0, tile=0; row<_ntilesh; row++) |
| { |
| for(col=0; col<_ntilesw; col++, tile++) |
| { |
| t[tile].r.w=min(_tilew, _w-col*_tilew); |
| t[tile].r.h=min(_tileh, _h-row*_tileh); |
| t[tile].r.x=col*_tilew; |
| t[tile].r.y=row*_tileh; |
| t[tile].op=xformop; |
| t[tile].options=xformopt|TJXOPT_TRIM; |
| t[tile].customFilter=customFilter; |
| if(t[tile].options&TJXOPT_NOOUTPUT && jpegbuf[tile]) |
| { |
| free(jpegbuf[tile]); jpegbuf[tile]=NULL; |
| } |
| } |
| } |
| |
| start=gettime(); |
| if(tjTransform(handle, srcbuf, srcsize, _ntilesw*_ntilesh, jpegbuf, |
| jpegsize, t, flags)==-1) |
| _throwtj("executing tjTransform()"); |
| elapsed=gettime()-start; |
| |
| free(t); t=NULL; |
| |
| for(tile=0, totaljpegsize=0; tile<_ntilesw*_ntilesh; tile++) |
| totaljpegsize+=jpegsize[tile]; |
| |
| if(quiet) |
| { |
| printf("%s%c%s%c", |
| sigfig((double)(w*h)/1000000./elapsed, 4, tempstr, 80), |
| quiet==2? '\n':'\t', |
| sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80), |
| quiet==2? '\n':'\t'); |
| } |
| else if(!quiet) |
| { |
| printf("X--> Frame rate: %f fps\n", 1.0/elapsed); |
| printf(" Output image size: %lu bytes\n", totaljpegsize); |
| printf(" Compression ratio: %f:1\n", |
| (double)(w*h*ps)/(double)totaljpegsize); |
| printf(" Source throughput: %f Megapixels/sec\n", |
| (double)(w*h)/1000000./elapsed); |
| printf(" Output bit stream: %f Megabits/sec\n", |
| (double)totaljpegsize*8./1000000./elapsed); |
| } |
| } |
| else |
| { |
| if(quiet==1) printf("N/A\tN/A\t"); |
| jpegsize[0]=srcsize; |
| memcpy(jpegbuf[0], srcbuf, srcsize); |
| } |
| |
| if(w==tilew) _tilew=_w; |
| if(h==tileh) _tileh=_h; |
| if(!(xformopt&TJXOPT_NOOUTPUT)) |
| { |
| if(decomptest(NULL, jpegbuf, jpegsize, NULL, _w, _h, _subsamp, 0, |
| filename, _tilew, _tileh)==-1) |
| goto bailout; |
| } |
| else if(quiet==1) printf("N/A\n"); |
| |
| for(i=0; i<ntilesw*ntilesh; i++) |
| { |
| free(jpegbuf[i]); jpegbuf[i]=NULL; |
| } |
| free(jpegbuf); jpegbuf=NULL; |
| if(jpegsize) {free(jpegsize); jpegsize=NULL;} |
| |
| if(tilew==w && tileh==h) break; |
| } |
| |
| bailout: |
| if(file) {fclose(file); file=NULL;} |
| if(jpegbuf) |
| { |
| for(i=0; i<ntilesw*ntilesh; i++) |
| { |
| if(jpegbuf[i]) free(jpegbuf[i]); jpegbuf[i]=NULL; |
| } |
| free(jpegbuf); jpegbuf=NULL; |
| } |
| if(jpegsize) {free(jpegsize); jpegsize=NULL;} |
| if(srcbuf) {free(srcbuf); srcbuf=NULL;} |
| if(t) {free(t); t=NULL;} |
| if(handle) {tjDestroy(handle); handle=NULL;} |
| return; |
| } |
| |
| |
| void usage(char *progname) |
| { |
| int i; |
| printf("USAGE: %s\n", progname); |
| printf(" <Inputfile (BMP|PPM)> <%% Quality> [options]\n\n"); |
| printf(" %s\n", progname); |
| printf(" <Inputfile (JPG)> [options]\n\n"); |
| printf("Options:\n\n"); |
| printf("-alloc = Dynamically allocate JPEG image buffers\n"); |
| printf("-bmp = Generate output images in Windows Bitmap format (default=PPM)\n"); |
| printf("-bottomup = Test bottom-up compression/decompression\n"); |
| printf("-tile = Test performance of the codec when the image is encoded as separate\n"); |
| printf(" tiles of varying sizes.\n"); |
| printf("-forcemmx, -forcesse, -forcesse2, -forcesse3 =\n"); |
| printf(" Force MMX, SSE, SSE2, or SSE3 code paths in the underlying codec\n"); |
| printf("-rgb, -bgr, -rgbx, -bgrx, -xbgr, -xrgb =\n"); |
| printf(" Test the specified color conversion path in the codec (default: BGR)\n"); |
| printf("-fastupsample = Use fast, inaccurate upsampling code to perform 4:2:2 and 4:2:0\n"); |
| printf(" YUV decoding in libjpeg decompressor\n"); |
| printf("-quiet = Output results in tabular rather than verbose format\n"); |
| printf("-yuvencode = Encode RGB input as planar YUV rather than compressing as JPEG\n"); |
| printf("-yuvdecode = Decode JPEG image to planar YUV rather than RGB\n"); |
| printf("-scale M/N = scale down the width/height of the decompressed JPEG image by a\n"); |
| printf(" factor of M/N (M/N = "); |
| for(i=0; i<nsf; i++) |
| { |
| printf("%d/%d", scalingfactors[i].num, scalingfactors[i].denom); |
| if(nsf==2 && i!=nsf-1) printf(" or "); |
| else if(nsf>2) |
| { |
| if(i!=nsf-1) printf(", "); |
| if(i==nsf-2) printf("or "); |
| } |
| } |
| printf(")\n"); |
| printf("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 =\n"); |
| printf(" Perform the corresponding lossless transform prior to\n"); |
| printf(" decompression (these options are mutually exclusive)\n"); |
| printf("-grayscale = Perform lossless grayscale conversion prior to decompression\n"); |
| printf(" test (can be combined with the other transforms above)\n"); |
| printf("-benchtime <t> = Run each benchmark for at least <t> seconds (default = 5.0)\n\n"); |
| printf("NOTE: If the quality is specified as a range (e.g. 90-100), a separate\n"); |
| printf("test will be performed for all quality values in the range.\n\n"); |
| exit(1); |
| } |
| |
| |
| int main(int argc, char *argv[]) |
| { |
| unsigned char *srcbuf=NULL; int w, h, i, j; |
| int minqual=-1, maxqual=-1; char *temp; |
| int minarg=2; int retval=0; |
| |
| if((scalingfactors=tjGetScalingFactors(&nsf))==NULL || nsf==0) |
| _throwtj("executing tjGetScalingFactors()"); |
| |
| if(argc<minarg) usage(argv[0]); |
| |
| temp=strrchr(argv[1], '.'); |
| if(temp!=NULL) |
| { |
| if(!strcasecmp(temp, ".bmp")) ext="bmp"; |
| if(!strcasecmp(temp, ".jpg") || !strcasecmp(temp, ".jpeg")) decomponly=1; |
| } |
| |
| printf("\n"); |
| |
| if(argc>minarg) |
| { |
| for(i=minarg; i<argc; i++) |
| { |
| if(!strcasecmp(argv[i], "-yuvencode")) |
| { |
| printf("Testing YUV planar encoding\n\n"); |
| yuv=YUVENCODE; maxqual=minqual=100; |
| } |
| if(!strcasecmp(argv[i], "-yuvdecode")) |
| { |
| printf("Testing YUV planar decoding\n\n"); |
| yuv=YUVDECODE; |
| } |
| } |
| } |
| |
| if(!decomponly && yuv!=YUVENCODE) |
| { |
| minarg=3; |
| if(argc<minarg) usage(argv[0]); |
| if((minqual=atoi(argv[2]))<1 || minqual>100) |
| { |
| puts("ERROR: Quality must be between 1 and 100."); |
| exit(1); |
| } |
| if((temp=strchr(argv[2], '-'))!=NULL && strlen(temp)>1 |
| && sscanf(&temp[1], "%d", &maxqual)==1 && maxqual>minqual && maxqual>=1 |
| && maxqual<=100) {} |
| else maxqual=minqual; |
| } |
| |
| if(argc>minarg) |
| { |
| for(i=minarg; i<argc; i++) |
| { |
| if(!strcasecmp(argv[i], "-tile")) |
| { |
| dotile=1; xformopt|=TJXOPT_CROP; |
| } |
| if(!strcasecmp(argv[i], "-forcesse3")) |
| { |
| printf("Forcing SSE3 code\n\n"); |
| flags|=TJFLAG_FORCESSE3; |
| } |
| if(!strcasecmp(argv[i], "-forcesse2")) |
| { |
| printf("Forcing SSE2 code\n\n"); |
| flags|=TJFLAG_FORCESSE2; |
| } |
| if(!strcasecmp(argv[i], "-forcesse")) |
| { |
| printf("Forcing SSE code\n\n"); |
| flags|=TJFLAG_FORCESSE; |
| } |
| if(!strcasecmp(argv[i], "-forcemmx")) |
| { |
| printf("Forcing MMX code\n\n"); |
| flags|=TJFLAG_FORCEMMX; |
| } |
| if(!strcasecmp(argv[i], "-fastupsample")) |
| { |
| printf("Using fast upsampling code\n\n"); |
| flags|=TJFLAG_FASTUPSAMPLE; |
| } |
| if(!strcasecmp(argv[i], "-rgb")) pf=TJPF_RGB; |
| if(!strcasecmp(argv[i], "-rgbx")) pf=TJPF_RGBX; |
| if(!strcasecmp(argv[i], "-bgr")) pf=TJPF_BGR; |
| if(!strcasecmp(argv[i], "-bgrx")) pf=TJPF_BGRX; |
| if(!strcasecmp(argv[i], "-xbgr")) pf=TJPF_XBGR; |
| if(!strcasecmp(argv[i], "-xrgb")) pf=TJPF_XRGB; |
| if(!strcasecmp(argv[i], "-bottomup")) flags|=TJFLAG_BOTTOMUP; |
| if(!strcasecmp(argv[i], "-quiet")) quiet=1; |
| if(!strcasecmp(argv[i], "-qq")) quiet=2; |
| if(!strcasecmp(argv[i], "-scale") && i<argc-1) |
| { |
| int temp1=0, temp2=0, match=0; |
| if(sscanf(argv[++i], "%d/%d", &temp1, &temp2)==2) |
| { |
| for(j=0; j<nsf; j++) |
| { |
| if(temp1==scalingfactors[j].num && temp2==scalingfactors[j].denom) |
| { |
| sf=scalingfactors[j]; |
| match=1; break; |
| } |
| } |
| if(!match) usage(argv[0]); |
| } |
| else usage(argv[0]); |
| } |
| if(!strcasecmp(argv[i], "-hflip")) xformop=TJXOP_HFLIP; |
| if(!strcasecmp(argv[i], "-vflip")) xformop=TJXOP_VFLIP; |
| if(!strcasecmp(argv[i], "-transpose")) xformop=TJXOP_TRANSPOSE; |
| if(!strcasecmp(argv[i], "-transverse")) xformop=TJXOP_TRANSVERSE; |
| if(!strcasecmp(argv[i], "-rot90")) xformop=TJXOP_ROT90; |
| if(!strcasecmp(argv[i], "-rot180")) xformop=TJXOP_ROT180; |
| if(!strcasecmp(argv[i], "-rot270")) xformop=TJXOP_ROT270; |
| if(!strcasecmp(argv[i], "-grayscale")) xformopt|=TJXOPT_GRAY; |
| if(!strcasecmp(argv[i], "-custom")) customFilter=dummyDCTFilter; |
| if(!strcasecmp(argv[i], "-nooutput")) xformopt|=TJXOPT_NOOUTPUT; |
| if(!strcasecmp(argv[i], "-benchtime") && i<argc-1) |
| { |
| double temp=atof(argv[++i]); |
| if(temp>0.0) benchtime=temp; |
| else usage(argv[0]); |
| } |
| if(!strcmp(argv[i], "-?")) usage(argv[0]); |
| if(!strcasecmp(argv[i], "-alloc")) flags&=(~TJFLAG_NOREALLOC); |
| if(!strcasecmp(argv[i], "-bmp")) ext="bmp"; |
| } |
| } |
| |
| if((sf.num!=1 || sf.denom!=1) && dotile) |
| { |
| printf("Disabling tiled compression/decompression tests, because those tests do not\n"); |
| printf("work when scaled decompression is enabled.\n"); |
| dotile=0; |
| } |
| |
| if(yuv && dotile) |
| { |
| printf("Disabling tiled compression/decompression tests, because those tests do not\n"); |
| printf("work when YUV encoding or decoding is enabled.\n\n"); |
| dotile=0; |
| } |
| |
| if(!decomponly) |
| { |
| if(loadbmp(argv[1], &srcbuf, &w, &h, pf, (flags&TJFLAG_BOTTOMUP)!=0)==-1) |
| _throwbmp("loading bitmap"); |
| temp=strrchr(argv[1], '.'); |
| if(temp!=NULL) *temp='\0'; |
| } |
| |
| if(quiet==1 && !decomponly) |
| { |
| printf("All performance values in Mpixels/sec\n\n"); |
| printf("Bitmap\tBitmap\tJPEG\tJPEG\t%s %s \tComp\tComp\tDecomp\n", |
| dotile? "Tile ":"Image", dotile? "Tile ":"Image"); |
| printf("Format\tOrder\tSubsamp\tQual\tWidth Height\tPerf \tRatio\tPerf\n\n"); |
| } |
| |
| if(decomponly) |
| { |
| dodecomptest(argv[1]); |
| printf("\n"); |
| goto bailout; |
| } |
| for(i=maxqual; i>=minqual; i--) |
| dotest(srcbuf, w, h, TJ_GRAYSCALE, i, argv[1]); |
| printf("\n"); |
| for(i=maxqual; i>=minqual; i--) |
| dotest(srcbuf, w, h, TJ_420, i, argv[1]); |
| printf("\n"); |
| for(i=maxqual; i>=minqual; i--) |
| dotest(srcbuf, w, h, TJ_422, i, argv[1]); |
| printf("\n"); |
| for(i=maxqual; i>=minqual; i--) |
| dotest(srcbuf, w, h, TJ_444, i, argv[1]); |
| printf("\n"); |
| |
| bailout: |
| if(srcbuf) free(srcbuf); |
| return retval; |
| } |